Expert needed to Generate Web traffic and conduct SEO Optimization to increase page rank

You are SEO Expert that will be able to generate quality traffic and reach top 5 on Google and very high rank on BING and Yahoo. You must be able to provide references of your past projects showing successful SEO work conducted for your previous clients. What we need is to reach PR4 or higher. White Hat, creative Web Traffic generation ideas will be required. Please note that we will not allow any sort of black hat unethical links including hidden in JavaScript, font color similar to background, use of spamming. NO Spamming! You will have to provide an excel spreadsheet with URLs and links to associated domain PR pages which will be checked by our developers. Our site is similar to Fiverr, therefore we will need to drive as much traffic as possible mainly from US, Europe and rest of the world, and therefore the links should be based on Fiverr concept. Time and quality is very important for us! Please provide us with brief description of your general SEO strategy, price and timeframe.